Patent · US Active

Backlight system of display device with printed circuit board separate from and mounted to LED substrate with support pillars

US8985796B2 · kind B2 · utility

5Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 2011
Grant dateMar 24, 2015
Priority date
Expiry dateMay 20, 2033

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133328
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention provides a backlight system, which includes an LED light source, which includes an LED lamp and an LED substrate carrying the LED lamp; a back frame, which is disposed below the LED substrate and includes at least two primary assembling pieces, the at least two primary assembling pieces being joined to form a main frame structure of the back frame; and a PCB, which is disposed below the back frame and fixed to the LED substrate. The backlight system of the present invention saves the material and space of the back frame, and lowers down the cost of the backlight system.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.